There's no reason why the original won't work and there's every possibility that you'll experience the same issue with any importer.
Usually the issue with avatars and attached files is down to specifying the incorrect directory location.
The best thing to do is to post in the thread where you downloaded the installer. Jake Bunce or someone else will happily advise you - also please be sure to post error messages. "i have problem" is not enough information to go on